Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 307 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1860 (b) ₹1800 (c) ₹1560 (d) ₹300
2. 2.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
3. 3.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
4. 4.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
5. 5.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
6. 6.In how many years will ₹8000 earn ₹1440 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
7. 7.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹1620 (c) ₹2100 (d) ₹1980
8. 8.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹3180 (b) ₹180 (c) ₹90 (d) ₹270
9. 9.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹2520 (b) ₹10890 (c) ₹630 (d) ₹1890
10. 10.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹2160 (b) ₹160 (c) ₹240 (d) ₹80
11. 11.The simple interest on ₹5500 for 3 years is ₹990. What is the rate per year? (a) 18% (b) 6% (c) 5% (d) 7%
12. 12.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹3180 (c) ₹3240 (d) ₹3060
13. 13.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
14. 14.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
15. 15.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%
16. 16.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8520 (b) ₹2100 (c) ₹6420 (d) ₹8100
17. 17.In how many years will ₹6000 earn ₹2700 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
18. 18.₹2500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹800 (c) ₹3300 (d) ₹3500
19. 19.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹6100 (b) ₹1100 (c) ₹1650 (d) ₹550
20. 20.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹2960 (c) ₹2240 (d) ₹2720
21. 21.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5490 (b) ₹4995 (c) ₹990 (d) ₹5985
22. 22.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
23. 23.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹3780 (c) ₹3640 (d) ₹3920
24. 24.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹6240 (c) ₹720 (d) ₹6960
25. 25.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 28% (b) 7% (c) 6% (d) 8%
26. 26.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
27. 27.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 4% (b) 6% (c) 25% (d) 5%
28. 28.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹2220 (c) ₹2040 (d) ₹1680
29. 29.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹960 (b) ₹9920 (c) ₹2880 (d) ₹1920
30. 30.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
31. 31.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹1500 (c) ₹4300 (d) ₹2800
32. 32.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
33. 33.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹45 (b) ₹1680 (c) ₹180 (d) ₹225
34. 34.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
35. 35.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹935 (b) ₹1870 (c) ₹2805 (d) ₹10370
36. 36.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹1800 (b) ₹300 (c) ₹375 (d) ₹75
37. 37.What is the simple interest on ₹7500 at 9% per year for 5 years? (a) ₹3375 (b) ₹675 (c) ₹4050 (d) ₹10875
38. 38.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 50%
39. 39.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹675 (b) ₹4950 (c) ₹450 (d) ₹225
40. 40.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years

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